Home / 802,130.52-1,106,834.94-479,723.16

Finding the Fourth Proportional to 802,130.52, 1,106,834.94 and 479,723.16

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Solution

The fourth proportional to 802,130.52, 1,106,834.94 and 479,723.16 is: 661,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,130.52 : 1,106,834.94 = 479,723.16 : x
  2. Step 2: Convert to fraction form
    802,130.52/1,106,834.94 = 479,723.16/x
  3. Step 3: Cross multiply
    802,130.52x = 1,106,834.94 × 479,723.16
  4. Step 4: Simplify right side
    802,130.52x = 530,974,355,015.21
  5. Step 5: Solve for x
    x = 530,974,355,015.21/802,130.52
  6. Step 6: Final answer
    x = 661,955.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.